Bill Cosby sobs onstage in Jello joke.

Bill Cosby put his head in hands and mock sobbed onstage in Florida - over Jello. The apparent show of emotion was part of a long-winded joke rather than a confession over disturbing rape and sexual assault allegations. The embattled comedian is accused of multiple sexual assaults but made no reference to the scandal at the King Center for Performing Arts, in Melbourne, on November 21.